Welcome back to Community Dawn.
With this query relating to the VAT report and transactions it may be best to contact our QuickBooks Online Support team, this way we can establish a screen share and we can then go through the transaction and see why this invoices is hitting the expenses. This could be due to the account which is assigned on the invoice so you could also check to ensure the invoice isn't including any expense types.
I have included the number to our support team on this link here.